[nrf fromtree] dts: nordic: nrf54h20: Update pm policy values

Apply nRF54H20 `min-residency-us` and `exit-latency-us` values for
existing power states.

Signed-off-by: Adam Kondraciuk <[email protected]>
(cherry picked from commit 0bb3a1c)

Author: adamkondraciuk

dts/common/nordic/nrf54h20.dtsi

@@ -135,12 +135,14 @@
 				compatible = "zephyr,power-state";
 				power-state-name = "suspend-to-idle";
 				substate-id = <2>;
-				min-residency-us = <100000>;
+				min-residency-us = <1000>;
+				exit-latency-us = <30>;
 			};
 			s2ram: s2ram {
 				compatible = "zephyr,power-state";
 				power-state-name = "suspend-to-ram";
-				min-residency-us = <800000>;
+				min-residency-us = <2000>;
+				exit-latency-us = <260>;
 			};
 		};
 	};